| CELLULASE | Enzyme produced chiefly by fungi, bacteria and protozoans (9) |
| POTBOILER | Inferior art or literary work produced chiefly for money (3-6) |
| ALGAE | Crabs feed primarily on ___, others feed on mollusks, worms, crustaceans, fungi, bacteria, and organic non-living material |
| LORICAE | Rigid shells of some rotifers and protozoans (7) |
| DISEASE | Caused by fungi, bacteria, or viruses |
| OESTROGEN | Steroid hormone secreted chiefly by the ovaries and placenta (9) |
| LEUKOCYTE | Cells that eat bacteria and fungi |
| WHITECELL | Cells that eat bacteria and fungi |
| MICROBIAL | Relating to bacteria and similar organisms (9) |
| PATHOGENS | Bacteria and viruses generate angst with hope (9) |
| FLYBYWIRE | Electric signalling system chiefly by wired channels (3-2-4) |
| SEAOFAZOV | Arm of the Black Sea fed chiefly by the River Don |
| PARAMECIA | Father confused America producing freshwater protozoans (9) |
| LAKEOFTHE | Lake S.E. of Winnipeg, Canada, fed chiefly by the Rainy River (4,2,3) |
| ONECELLED | Like protozoans |
| INHALFAMO | Bisected protozoan - 50% missing very soon (2,4,1,2) |
| SPORE | A reproductive body, produced by bacteria, fungi, various plants and some protozoans (5) |
| RENIN | Enzyme produced and secreted by the kidneys (5) |
| NOCTILUCA | Luminous protozoan |
| PEPSIN | Enzyme produced by the stomach |
